<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
			<script src="jquery-3.7.0.min.js"></script>
			<script type="text/javascript">
			$(function(){
				var div2 =$("<div>2</div>")
				$("#con").append(div2);
				//$("con>div").after(div2);
			})
			</script>
	</head>
	<body>
		<div id="con">
			<div id="">
				1
			</div>
		</div>
	</body>
</html>

